Refactor of vaultwarden/docker-compose.yml

Currently trying to generalize a bit more the compose files.
No need to keep the NFS mounts explicitly stated, as most of the
times just a small Docker native volume is needed for persistence.

vaultwarden/docker-compose.yml

@@ -1,10 +1,14 @@
 x-logging:
   &default-logging
-  driver: local
+  driver: syslog
   options:
-    max-size: "1m"
+    # This requires two files in /etc/rsyslog.d
-    max-file: "50"
+    # https://www.loggly.com/use-cases/docker-syslog-logging-and-troubleshooting/
+    tag: "container_name/{{.Name}}"
+    labels: "${hostname}"
+    syslog-facility: # cron, local7, etc.
 
+# Can be removed if not needed
 x-opt-values:
   &volume-opt
   driver_opts: &options
@@ -25,6 +29,7 @@ services:
       DOMAIN: ${VDOMAIN} # Used by vaultwarden to set certain links
       WEBSOCKET_ENABLED: "true"
       SIGNUPS_ALLOWED: "false" # Change to true if it's the first time running
+      # Optional environment, but useful if you want some functions
       SMTP_HOST: "${protonmail-container-name}"
       SMTP_FROM: ${SFROM}
       SMTP_FROM_NAME: ${SFROMNAME}
@@ -39,12 +44,29 @@ services:
       - vaultwarden
       - protonmail
 
+	vaultwarden-backup:
+  	image: bruceforce/vaultwarden-backup
+  	container_name: vaultwarden-backup
+  	restart: always
+  	environment:
+    	TIMESTAMP: "true"
+    	UID: ${UID}
+    	GID: ${GID}
+    	BACKUP_DIR: ${BACKUP_DIR}
+    	DELETE_AFTER: "30"
+    	CRON_TIME: "0 2 * * *"
+    volumes:
+      - vw-data:/data
+      - backup:/backup
+
 volumes:
   vw-data:
+  # This stores the backup on a (possibly) remote server
+  backup:
     <<: *volume-opt
     driver_opts:
       <<: *options
-      device: ":/mnt/path/vaultwarden/vw-data"
+      device: ":/mnt/path/vaultwarden/backup"
 
 networks:
   reverse-proxy: